/* Copia exacta de main.css para registrar el cambio de nombre y asegurar que los estilos se apliquen correctamente. */

:root {
    --celeste: #0082c9;
    --blanco: #ffffff;
    --gris: #f0f0f1;
    --celeste-oscuro: #006699;
    --texto-oscuro: #212529;
    --texto-muted: #6c757d;
    --sombra-suave: rgba(0,0,0,0.08);
    --sombra-media: rgba(0,0,0,0.1);
    --sombra-fuerte: rgba(0,0,0,0.15);
}

/* ========================================
   LOGIN STYLES
   ======================================== */

.login-page {
    background: linear-gradient(135deg, var(--celeste) 0%, var(--celeste-oscuro) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: var(--blanco);
    border-radius: 20px;
    box-shadow: 0 20px 40px var(--sombra-media);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
}

.login-header {
    background: linear-gradient(135deg, var(--celeste) 0%, var(--celeste-oscuro) 100%);
    color: var(--blanco);
    padding: 2rem;
    text-align: center;
}

.login-header .logo {
    margin-bottom: 1rem;
}

.login-header .logo img {
    max-width: 120px;
    height: auto;
}

.login-body {
    padding: 2rem;
}

.form-floating {
    margin-bottom: 1rem;
}

.form-control:focus {
    border-color: var(--celeste);
    box-shadow: 0 0 0 0.2rem rgba(0, 130, 201, 0.25);
}

.btn-login {
    background: linear-gradient(135deg, var(--celeste) 0%, var(--celeste-oscuro) 100%);
    border: none;
    border-radius: 10px;
    padding: 12px;
    font-weight: 600;
    width: 100%;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 130, 201, 0.3);
    background: linear-gradient(135deg, var(--celeste-oscuro) 0%, var(--celeste) 100%);
}

.alert {
    border-radius: 10px;
    border: none;
}

.demo-info {
    background: var(--gris);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--texto-muted);
}

/* ========================================
   DASHBOARD STYLES
   ======================================== */

/* ===== SIDEBAR ===== */
.sidebar {
    width: 250px;
    background: linear-gradient(135deg, var(--celeste) 0%, var(--celeste-oscuro) 100%);
    min-height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1020;
    transition: transform 0.3s ease;
    margin-top: 70px;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin: 0.25rem 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.sidebar .nav-link:hover {
    color: var(--blanco);
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.sidebar .nav-link.active {
    color: var(--blanco);
    background: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.sidebar .nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: 250px;
    min-height: 100vh;
    background: var(--gris-claro);
    transition: margin-left 0.3s ease;
}

/* ===== HEADER Y NAVBAR ===== */
.navbar {
    background: #ffffff;
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
    min-height: 56px;
    z-index: 1030;
}

.navbar-brand {
    font-weight: 600;
    margin-right: 0;
}

.navbar-brand img {
    transition: opacity 0.2s ease;
    height: 35px;
}

.navbar-brand:hover img {
    opacity: 0.8;
}

.navbar .btn {
    font-size: 1rem;
    padding: 0.375rem 0.75rem;
}

@media (max-width: 991.98px) {
    .navbar .btn {
        font-size: 0.95rem;
        padding: 0.3rem 0.6rem;
    }
}

/* Responsive para el header */
@media (max-width: 768px) {
    .navbar-brand .d-none {
        display: none !important;
    }
    .navbar .d-none {
        display: none !important;
    }
}

/* Cards */
.card-stats {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--sombra-suave);
    transition: transform 0.3s ease;
    background: var(--blanco);
}

.card-stats:hover {
    transform: translateY(-5px);
}

.card-stats .card-body {
    padding: 1.5rem;
}

/* Stats Icons */
.stats-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--blanco);
}

.stats-icon.bg-primary {
    background: var(--celeste) !important;
}

.stats-icon.bg-success {
    background: #28a745 !important;
}

.stats-icon.bg-warning {
    background: #ffc107 !important;
}

/* Chart Container */
.chart-container {
    background: var(--blanco);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px var(--sombra-suave);
}

/* Welcome Badge */
.welcome-badge {
    background: linear-gradient(135deg, var(--celeste) 0%, var(--celeste-oscuro) 100%);
    color: var(--blanco);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Buttons */
.btn-outline-primary {
    border-color: var(--celeste);
    color: var(--celeste);
}

.btn-outline-primary:hover,
.btn-outline-primary.active {
    background-color: var(--celeste);
    border-color: var(--celeste);
    color: var(--blanco);
}

.btn-outline-success {
    border-color: #28a745;
    color: #28a745;
}

.btn-outline-success:hover {
    background-color: #28a745;
    border-color: #28a745;
    color: var(--blanco);
}

/* Text Colors */
.text-primary {
    color: var(--celeste) !important;
}

/* Table Styles */
.table {
    margin-bottom: 0;
    width: 100%;
}

.table th {
    border-top: none;
    font-weight: 600;
    color: var(--texto-oscuro);
    background-color: #f8f9fa;
    padding: 1rem 0.75rem;
}

.table td {
    padding: 1rem 0.75rem;
    vertical-align: middle;
    border-top: 1px solid #e9ecef;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 130, 201, 0.05);
}

.table-light {
    background-color: #f8f9fa;
}

/* Avatar Styles */
.avatar-sm {
    width: 40px;
    height: 40px;
}

.avatar-initial {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.rounded-circle {
    border-radius: 50% !important;
}

/* Badge Styles */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
}

.bg-success {
    background-color: #28a745 !important;
}

.bg-warning {
    background-color: #ffc107 !important;
    color: var(--texto-oscuro);
}

/* Card Header */
.card-header {
    background-color: var(--blanco);
    border-bottom: 1px solid var(--gris);
    padding: 1rem 1.5rem;
}

/* ========================================
   RESPONSIVE STYLES
   ======================================== */

@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
    }
    
    .sidebar {
        width: 220px;
        left: -220px;
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .login-container {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .avatar-sm {
        width: 32px;
        height: 32px;
    }
    
    .avatar-initial {
        font-size: 0.875rem;
    }
}

@media (max-width: 576px) {
    .login-header {
        padding: 1.5rem;
    }
    
    .login-body {
        padding: 1.5rem;
    }
    
    .login-header .logo img {
        max-width: 100px;
    }
    
    .card-stats .card-body {
        padding: 1rem;
    }
    
    .stats-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.opacity-75 {
    opacity: 0.75;
}

.fw-bold {
    font-weight: 700;
}

.h-100 {
    height: 100%;
}

.w-100 {
    width: 100%;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 0.25rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mt-1 {
    margin-top: 0.25rem;
}

.me-1 {
    margin-right: 0.25rem;
}

.me-2 {
    margin-right: 0.5rem;
}

.me-3 {
    margin-right: 1rem;
}

.ms-auto {
    margin-left: auto;
}

.p-0 {
    padding: 0;
}

.p-3 {
    padding: 1rem;
}

.p-4 {
    padding: 1.5rem;
}

.text-center {
    text-align: center;
}

.text-end {
    text-align: right;
}

.d-flex {
    display: flex;
}

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-inline-block {
    display: inline-block;
}

.align-items-center {
    align-items: center;
}

.justify-content-center {
    justify-content: center;
}

.justify-content-between {
    justify-content: space-between;
}

.flex-column {
    flex-direction: column;
}

.flex-grow-1 {
    flex-grow: 1;
}

.position-relative {
    position: relative;
}

.fixed-top {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
}

.border-0 {
    border: 0 !important;
}

.bg-white {
    background-color: var(--blanco) !important;
}

.text-white {
    color: var(--blanco) !important;
}

.text-dark {
    color: var(--texto-oscuro) !important;
}

.text-muted {
    color: var(--texto-muted) !important;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .sidebar,
    .navbar,
    .btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .card-stats {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* ===== TABLES & DATATABLES ===== */
.dataTables_wrapper {
    width: 100%;
    margin: 0;
    padding: 0;
}

.dataTables_wrapper .dataTable {
    width: 100% !important;
    margin: 0 !important;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
    margin-bottom: 1rem;
    padding: 0 1rem;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    padding: 1rem;
    margin: 0;
}

.dataTables_wrapper .dataTables_processing {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Contenedor de tabla */
.table-responsive {
    border: none;
    border-radius: 0 0 15px 15px;
}

.card .card-body .table-responsive {
    margin: 0;
    padding: 0;
}

/* Asegurar que la tabla ocupe todo el ancho */
#tabla-modelos {
    width: 100% !important;
}

#tabla-modelos_wrapper {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Botones de acciones en tabla */
.btn-group-sm .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-radius: 0.25rem;
    margin: 0 1px;
}

.btn-group-sm .btn i {
    font-size: 0.875rem;
}

.btn-outline-primary:hover {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: white;
}

.btn-outline-success:hover {
    background-color: #198754;
    border-color: #198754;
    color: white;
}

.btn-outline-danger:hover {
    background-color: #dc3545;
    border-color: #dc3545;
    color: white;
}

/* Mejorar espaciado de la tabla */
.table td {
    padding: 0.75rem;
    vertical-align: middle;
}

.table th {
    padding: 1rem 0.75rem;
    font-weight: 600;
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
}

/* ========================================
   DATATABLES PAGINATION STYLES
   ======================================== */

.dataTables_paginate {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 1rem;
    width: 100%;
    text-align: center;
}

.dataTables_paginate ul {
    display: flex !important;
    flex-direction: row !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 auto !important;
    gap: 0.25rem;
    justify-content: center;
    align-items: center;
}

.dataTables_paginate li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.dataTables_paginate .paginate_button {
    border: 1px solid var(--celeste);
    background: var(--celeste) !important;
    color: #fff !important;
    padding: 0.75rem 1rem;
    margin: 0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none !important;
    font-weight: 500;
    display: inline-block;
    list-style: none !important;
    box-shadow: 0 1px 3px rgba(0, 130, 201, 0.2);
    min-width: 40px;
    text-align: center;
}

.dataTables_paginate .paginate_button:hover {
    background: var(--celeste-oscuro) !important;
    color: #fff !important;
    border-color: var(--celeste-oscuro);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 130, 201, 0.3);
    text-decoration: none !important;
}

.dataTables_paginate .paginate_button.current {
    background: var(--celeste-oscuro) !important;
    color: #fff !important;
    border-color: var(--celeste-oscuro);
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(0, 130, 201, 0.25);
}

.dataTables_paginate .paginate_button.current:hover {
    background: var(--celeste-oscuro) !important;
    border-color: var(--celeste-oscuro);
    color: #fff !important;
    box-shadow: 0 3px 10px rgba(0, 130, 201, 0.4);
}

.dataTables_paginate .paginate_button.disabled {
    color: #6c757d !important;
    cursor: not-allowed;
    background: #f8f9fa !important;
    border-color: #dee2e6;
    box-shadow: none;
}

.dataTables_paginate .paginate_button.disabled:hover {
    background: #f8f9fa !important;
    color: #6c757d !important;
    transform: none;
    box-shadow: none;
    text-decoration: none !important;
}

.dataTables_paginate .paginate_button.previous,
.dataTables_paginate .paginate_button.next {
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    background: var(--celeste) !important;
    color: #fff !important;
    border-color: var(--celeste);
    box-shadow: 0 2px 4px rgba(0, 130, 201, 0.2);
    min-width: 50px;
}

.dataTables_paginate .paginate_button.previous:hover,
.dataTables_paginate .paginate_button.next:hover {
    background: var(--celeste-oscuro) !important;
    border-color: var(--celeste-oscuro);
    color: #fff !important;
    box-shadow: 0 3px 8px rgba(0, 130, 201, 0.3);
}

.dataTables_paginate .paginate_button.previous:before {
    content: "‹";
    margin-right: 0.25rem;
    font-weight: bold;
}

.dataTables_paginate .paginate_button.next:after {
    content: "›";
    margin-left: 0.25rem;
    font-weight: bold;
}

/* DataTables Length y Filter */
.dataTables_length select,
.dataTables_filter input {
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 0.375rem 0.75rem;
    font-size: 0.9rem;
}

.dataTables_length select:focus,
.dataTables_filter input:focus {
    border-color: var(--celeste);
    box-shadow: 0 0 0 0.2rem rgba(0, 130, 201, 0.25);
    outline: none;
}

.dataTables_length label,
.dataTables_filter label {
    font-weight: 500;
    color: var(--texto-oscuro);
    margin-bottom: 0.5rem;
}

/* DataTables Info */
.dataTables_info {
    color: var(--texto-muted);
    font-size: 0.9rem;
    padding: 0.5rem 0;
}

/* Responsive para DataTables */
@media (max-width: 768px) {
    .dataTables_paginate ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .dataTables_paginate .paginate_button {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
        margin: 0.125rem;
        min-width: 35px;
    }
    
    .dataTables_paginate .paginate_button.previous,
    .dataTables_paginate .paginate_button.next {
        padding: 0.5rem 1rem;
        min-width: 45px;
    }
    
    .dataTables_length,
    .dataTables_filter {
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .dataTables_info {
        text-align: center;
    }
}

/* ========================================
   BUTTON STYLES
   ======================================== */

.btn-group-sm .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-radius: 0.375rem;
}

.btn-group-sm .btn i {
    font-size: 0.875rem;
}

.btn-outline-primary:hover {
    background-color: var(--celeste);
    border-color: var(--celeste);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 130, 201, 0.2);
}

.btn-outline-success:hover {
    background-color: #28a745;
    border-color: #28a745;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(40, 167, 69, 0.2);
}

.btn-outline-danger:hover {
    background-color: #dc3545;
    border-color: #dc3545;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.2);
}

/* ========================================
   TABLE STYLES
   ======================================== */

.table td {
    vertical-align: middle;
    border-top: 1px solid #dee2e6;
}

.table th {
    border-top: none;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    color: var(--texto-oscuro);
}